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Beta-Hydroxybutyrate

Referred out for testing

Source Blood
 
Mnemonic

BGLBL

BGL Test Name field: B Hydroxy Butyr
 

Specimen Requirements

1 x 4 mL dark green top sodium heparin tube. 1 x 4 mL dark green lithium heparin, NOT PST, and sodium fluoride (grey top) tube are also acceptable.

Serum will not be accepted.

Minimum: 0.25 mL plasma

Indicate length of fast, or time of last feeding with collection time; 8-15 hour fast is preferred but not mandatory.  If patient is on ketogenic diet, indicate whether sample is fed or fasted.

Specimen Handling

Send a copy of the requisition with the specimen.

PSC:
Centrifuge, transfer plasma to aliquot tube, write "NaHep", "LiHep" or 'NaF" on the aliquot tube, and transport on ice to DSC.

RRL:
Centrifuge, transfer plasma to aliquot tube, write "NaHep", "LiHep" or 'NaF" on the aliquot tube, and transport on ice to DSC.

Extra-regional:
Centrifuge, transfer plasma to aliquot tube, write "NaHep", "LiHep" or 'NaF" on the aliquot tube, and freeze prior to transport to DSC.

DSC:
Freeze plasma upon receipt in lab; ensure frozen specimens do not thaw.

Additional Information
Testing Location ACH Biochemical Genetics Lab
Testing Frequency Biweekly; must notify ACH Biochemical Genetics Lab for priority turn-around.
Alternate Name(s) 3-Hydroxybutyrate; BHB; 3HB
Reference Interval Provided on test report.